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I got 3 cleaning cycles out of the remove-the-shims hack. It was smooth enough to pass the power-on self test cycle and then run for a while, but I think the binding that did eventually ensue was just as bad as before the hack. I can imagine the motor getting really hot in there, so I've...

My pool builder installed a pressure port for cleaning - said suction ports are too dangerous. I miss the thwap thwap thwap of my old baracuda from the 1980s :). Surprised to see how expensive pressure-side cleaners are, which is the reason we went with a robot in the first place. For anyone...

Apparently there is a Canadian company with the motor assembly: Maytronics Pool Cleaner Drive Motor. Site doesn't ship internationally. Not sure this little turd is worth quite that much. Replacing stuff with new parts with retail prices, when the plastics are going to fail from sitting in...

pictures! Note the disassembled motor: there are shims that sit between planes of the planetary gears (they look like large washers). There is a circlip that holds the output shaft in place on the threaded brass bushing. Note that there is nothing that is preventing the disassembly, other than...

I can think of a few interesting pictures to post -- the o-ring that's a flat as a pancake. I can take a picture of where that sits. Also, the planetary gear assembly -- it's very curious how the carrier wear pattern turns the circular profile of the lugs on the carrier into more of a football...

BTW, water intrusion comes from a crushed o-ring under the plastic part of the assembly.

Using the info in this thread, I pulled mine apart pretty easily with heat. The motor is in perfect shape, but the outer planetary gear carrier that is pressed on the output shaft is badly worn. The motor stops when it changes direction because the gears bind badly. I’ve already replaced...